PT

1. Pacific Time
2. Personal trainer, or training
3. Physical therapy
4. Physical training
5. Postal telegraph
6. Pupil teacher
7. Purchase tax (historical)

pt

1. Part
2. Past
3. Past tense
4. Pint or pints
5. Point
6. Port
7. Post-town

Pt (chem)

Platinum

• motionlessly
• motion-man
• motion-men
• motion picture
• motion pictures
• motions
• motion sickness
• motivate
• motivated
• motivated art
• motivates
• motivating
• motivation
• motivational
• motivationally
• motivational research
• motivation research
• motivations
• motivator
• motivators
• motive
• motived
• motiveless
• motivelessly
• motivelessness